# @maxbittker — 2026-09-28

♥28 ↻3 · https://x.com/maxbittker/status/2104668612271255657

In a multi-agent evaluation on ProgramBench:
Sonnet 5.5's fastest setup was subagents 
Opus 5.5 went fastest using a 5 agent team https://t.co/Xbt6GRKkHn

![photo](../../../media/HTVG37uXQAA2Jyj.jpg)
tags: author:maxbittker, has-image, kind:image, kind:tweet, multi-agent, on:claude-sonnet-5-5, year:2026
cited on: _dossiers/claude-sonnet-5-5.md, claude-sonnet-5-5